California Gold Nutrition Sport, Micellar Casein, Unflavored, Slow Absorption, 16 oz (454 g) supplement bottle
California Gold Nutrition

Sport, Micellar Casein, Unflavored, Slow Absorption, 16 oz (454 g)

What We Researched
15 active ingredients analyzed · 1 inactive ingredient decoded · 2 retailers compared · Last updated: Mar 2026
76
Product Score Fair
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0.2 mcg 2%
Calcium 620 mg 50%
Iron 0 mg 0%
Potassium 50 mg 2%
Bioavailability Very Good

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
Other Ingredients Excellent

Fillers & Additives

  • Micellar Casein
Efficacy Poor

Dosage Analysis

  • Vitamin D 0.2 mcg Under-dosed
  • Calcium 620 mg Effective
  • Iron 0 mg Under-dosed
  • Potassium 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 0 g 0%
Saturated Fat 0 g 0%
Trans Fat 0 g
Cholesterol 20 mg 7%
Sodium 20 mg 1%
Total Carbohydrate 1 g 0%
Dietary Fiber 0 g 0%
Total Sugars 1 g
Includes 0 g Added Sugars 0%
Protein 25 g
Vitamin D 0.2 mcg 2%
Calcium 620 mg 50%
Iron 0 mg 0%
Potassium 50 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Micellar Casein Generally_safe

It is used as a source of protein.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$31$30$29$28$27 Mar 12 $29.22
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
California Gold Nutrition

Founded 2013 · Irvine, California, United States · 406 products · californiagoldnutrition.com/

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

6 incidents
Recall California Gold Nutrition Daily Prenatal Multi, Ultamins Women's Multivitamin, and Ultamins Women's 50+ Multivitamin2025-06-26Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION Baby Liquid Vitamin D3.2025-01-10Source
Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Stabilized R-Lipolic Acid.2024-04-12Source
Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Silymarin Complex.2024-04-12Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION PQQ 20mg.2024-02-01Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION DAIRY ENZYMES.2019-09-26Source
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Frequently Asked Questions
Is California Gold Nutrition Sport, Micellar Casein a good supplement?

California Gold Nutrition Sport, Micellar Casein, Unflavored, Slow Absorption, 16 oz (454 g) received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 15 active ingredients with 15 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, California Gold Nutrition, holds a brand trust score of 79/100.

What are the ingredients in California Gold Nutrition Sport, Micellar Casein?

California Gold Nutrition Sport, Micellar Casein contains 15 active ingredients: Calories (110), Total Fat (0 g), Saturated Fat (0 g), Trans Fat (0 g), Cholesterol (20 mg), Sodium (20 mg), and 9 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is California Gold Nutrition Sport, Micellar Casein safe to take?

California Gold Nutrition Sport, Micellar Casein, Unflavored, Slow Absorption, 16 oz (454 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is California Gold Nutrition a trustworthy supplement brand?

California Gold Nutrition receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Irvine, California, United States, the company offers 406 products in their lineup. Note: California Gold Nutrition has 6 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.